| Year | Rank | Number |
| 2011 | 8029 | 15 |
| 2010 | 5890 | 23 |
| 2009 | 5141 | 28 |
| 2008 | 4828 | 31 |
| 2007 | 5319 | 27 |
| 2006 | 4054 | 37 |
| 2005 | 2722 | 62 |
| 2004 | 4349 | 32 |
| 2003 | 2272 | 75 |
| 2002 | 5210 | 23 |
| 2000 | 14443 | 6 |
| 1999 | 8613 | 11 |
| 1998 | 1948 | 78 |
| Year | Rank | Number |
| 2011 | 8029 | 15 |
| 2010 | 5890 | 23 |
| 2009 | 5141 | 28 |
| 2008 | 4828 | 31 |
| 2007 | 5319 | 27 |
| 2006 | 4054 | 37 |
| 2005 | 2722 | 62 |
| 2004 | 4349 | 32 |
| 2003 | 2272 | 75 |
| 2002 | 5210 | 23 |
| 2000 | 14443 | 6 |
| 1999 | 8613 | 11 |
| 1998 | 1948 | 78 |